You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Big Sur and Fans on iMac iMac (Retina 5K, 27-inch, 2019)

Anyone else noticed the fans kick in really early on Big Sur? My 3.6 GHz 8-Core Intel Core i9 turns them on and off with just mail and a browser turned on. Never ever heard them on previous version.



Posted on Dec 1, 2020 11:43 PM

Reply
Question marked as Top-ranking reply

Posted on Dec 2, 2020 2:53 AM

Try resetting the SMC How to reset the SMC of your Mac - Apple Support

2 replies

Big Sur and Fans on iMac iMac (Retina 5K, 27-inch, 2019)

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.